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GuDViN [60]
3 years ago
8

Please help! ............................................

Mathematics
2 answers:
muminat3 years ago
7 0

Answer:

B. 20

Step-by-step explanation:

MAXImum [283]3 years ago
3 0

Answer:

B. 20

Step-by-step explanation:

60 = 2x + 20

40 = 2x

40/2 = 2x/2

20 = x

Hope this helps :)

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Does anyone know the answer to this?
Alex

Answer:

10.5.

Step-by-step explanation:

By similar  triangles:

IJ / 21 = 8 /(8+8) = 1/2

IJ / 21 = 1/2

IJ = 1/2 * 21

= 10.5.

6 0
3 years ago
What is the sum of the given polynomials in standard form ? (X^2-3x)+(-2x^2+5x-3)
Greeley [361]
(x^2-3x)+(-2x^2+5x-3)=x^2-3x-2x^2+5x-3\\\\=(x^2-2x^2)+(-3x+5x)-3=-x^2+2x-3
3 0
4 years ago
what is the circumference of a circle if the radius of the circle is 2.2 in terms of pi? a) 1.1 pi b) 1.21 pi c) 2.2 pi d) 4.4 p
Darya [45]
Cicumference =  Dπ  or  2rπ

thus if r = 2.2 
then C  = 2 (2.2)π
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D is the answer
7 0
4 years ago
Solve -4x+2&gt;26<br><br> A. x &gt; -6<br><br> B. x &gt; 6<br><br> C. x &lt; 6<br><br> D. x &lt; -6
NikAS [45]

Answer:

D

Step-by-step explanation:

-4 * -6 is -34

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6 0
4 years ago
Find the area of the following shape. You must show all work to receive credit
kirza4 [7]

Answer:

42 square units

Step-by-step explanation:

Draw segments - 5 to A, A to the point of intersection of Band C and from from the point of intersection of B, C upto 2. It will form a square with each side 8 units and four triangles.

Subtracting the area of 4 four triangles from the area of the square will give you the area of the required shape.

Area of the shape

=  {8}^{2}  -  \frac{1}{2}  \times 3 \times 6 - \frac{1}{2}  \times 5 \times 2 - \frac{1}{2}  \times 2 \times 3\\ - \frac{1}{2}  \times 2 \times 5 \\  \\  = 64 - 3 \times 3 - 5 \times 1  - 1\times 3 - 1 \times 5 \\  \\  = 64 - 9 - 5  - 3 - 5 \\  \\  = 64 - 22 \\  = 42 \:  {units}^{2}

3 0
3 years ago
Read 2 more answers
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